Buckling and post-buckling analysis of cracked stiffened panels via an X-Ritz method
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.019
Abstract: Abstract A multi-domain eXtended Ritz formulation, called X-Ritz, for the analysis of buckling and post-buckling of stiffened panels with cracks is presented. The theoretical framework is based on the First-order Shear Deformation Theory and accounts… read more here.
Keywords: ritz; buckling post; stiffened panels; post buckling ... See more keywords
Buckling fatigue behavior of 2A97 Al-Li alloy stiffened panels under shear loading
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2021.105575
Abstract: Abstract In order to study buckling fatigue behavior and failure modes of 2A97 Al-Li alloy stiffened panels under shear loading, 1.2 mm and 1.5 mm thick 2A97 Al-Li alloy stiffened panels were designed and manufactured. The static… read more here.
Keywords: alloy stiffened; failure; stiffened panels; 2a97 alloy ... See more keywords
Prediction of compression buckling load and buckling mode of hat-stiffened panels using artificial neural network
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2021.112275
Abstract: Abstract The composite hat-stiffened panel is a typical structure that embodies the concepts of high strength and light weight. It has many design parameters and multiple buckling failure modes. The prediction accuracy of the traditional… read more here.
Keywords: compression; hat; artificial neural; composite hat ... See more keywords
Study on the influence of localised thermal load on collapse strength of stiffened panels under longitudinal compression
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2021.112364
Abstract: Abstract The purpose of the present study is to investigate the influences of localised thermal stress on the load carrying capacity of stiffened panels under in-plane compression. The thermal loads and bending moment caused by… read more here.
Keywords: collapse; compression; thermal loads; load ... See more keywords
A new method to estimate ultimate strength of stiffened panels under longitudinal thrust based on analytical formulas
Sign Up to like & getrecommendations! Published in 2018 at "Marine Structures"
DOI: 10.1016/j.marstruc.2018.01.001
Abstract: Abstract In this paper, a new approximate method based on analytical formulas is proposed to estimate the ultimate strength of stiffened panels by investigating collapse mechanisms of the stiffened panels. In this respect, firstly, a… read more here.
Keywords: estimate ultimate; mode; stiffened panels; ultimate strength ... See more keywords
Large inelastic deformation resistance of stiffened panels subjected to lateral loading
Sign Up to like & getrecommendations! Published in 2018 at "Marine Structures"
DOI: 10.1016/j.marstruc.2018.01.005
Abstract: Abstract This paper presents a simplified formulation for the assessment of large deformation resistance of stiffened panels subjected to lateral loading. The method is based on rigid plastic material assumptions and the use of yield… read more here.
Keywords: resistance stiffened; panels subjected; deformation resistance; stiffened panels ... See more keywords
Study on the similarity methods for the assessment of ultimate strength of stiffened panels under axial load based on tests and numerical simulations
Sign Up to like & getrecommendations! Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.108294
Abstract: Abstract Since the geometrical dimensions of stiffened panels including length and thickness are very different, considering fabrication, the complete similarity method is generally not realistic or economic to scale thin-wall models for testing. The present… read more here.
Keywords: similarity; stiffened panels; similarity method; ultimate strength ... See more keywords
Experimental evaluation of the ultimate strength of stiffened panels under longitudinal compression
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.108496
Abstract: Abstract Seven stiffened panels subjected to in-plane longitudinal compression are tested to investigate the load carrying capacity of the specimens, which are considered as part of the hull girder of ship structures. The initial deflections… read more here.
Keywords: evaluation ultimate; longitudinal compression; experimental evaluation; stiffened panels ... See more keywords
Experimental and finite element numerical studies on the post-buckling behavior of composite stiffened panels
Sign Up to like & getrecommendations! Published in 2019 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2019.1701151
Abstract: Abstract Aircraft composites structures are typically made using stiffened skin construction as it provides a minimum weight solution to many design problems. However, designers are reluctant to allow composite stiffened structures to operate in the… read more here.
Keywords: finite element; post buckling; stiffened panels; experimental finite ... See more keywords
Reliability analysis of novel stiffened panels using Monte Carlo simulation
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DOI: 10.1080/17445302.2016.1193984
Abstract: ABSTRACT The present study aims to perform reliability analyses using Monte Carlo simulation to compute and compare the time-invariant reliability indices of stiffened panels with either conventional T-stiffeners or novel Y (Hat + Tee/Angle) stiffeners… read more here.
Keywords: using monte; monte carlo; stiffened panels; carlo simulation ... See more keywords
Theoretical modeling and experimental verification of co-curing carbon fiber-reinforced polymer hat-stiffened panels with silicone airbag male mandrels
Sign Up to like & getrecommendations! Published in 2020 at "Polymers and Polymer Composites"
DOI: 10.1177/0967391120921645
Abstract: For closed-hole panels such as hat-stiffened panels, it is inevitable to use mandrels during the manufacturing process. However, the uniformity of pressure transmission of the silicone rubber mandrel with the prefabricated hole is not good,… read more here.
Keywords: stiffened panels; hat stiffened; silicone airbag; curing carbon ... See more keywords